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From: Olaf Hering <olaf@aepfle.de>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Keir Fraser <keir.xen@gmail.com>,
	xen-devel@lists.xensource.com, kexec@lists.infradead.org,
	linux-kernel@vger.kernel.org, Jan Beulich <JBeulich@suse.com>,
	Daniel Kiper <dkiper@net-space.pl>
Subject: Re: [Xen-devel] incorrect layout of globals from head_64.S during kexec boot
Date: Tue, 17 Jul 2012 14:34:18 +0200	[thread overview]
Message-ID: <20120717123418.GA28781@aepfle.de> (raw)
In-Reply-To: <20120717102456.GA8197@aepfle.de>

On Tue, Jul 17, Olaf Hering wrote:

To make this robust against allocation errors I will change it to

       do {

> +	/* Allocate new mfn for previous pfn */
> +	rc = HYPERVISOR_memory_op(XENMEM_populate_physmap, &reservation);

       } while (rc == 0);

> +
> +	/* Make sure the previous pfn is really connected to a (new) mfn */
> +	BUG_ON(rc != 1);

Olaf

  reply	other threads:[~2012-07-17 12:34 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-05 21:06 incorrect layout of globals from head_64.S during kexec boot Olaf Hering
     [not found] ` <20120705210607.GA26908-QOLJcTWqO2uzQB+pC5nmwQ@public.gmane.org>
2012-07-06  8:29   ` [Xen-devel] " Jan Beulich
2012-07-06  8:41 ` Daniel Kiper
2012-07-06 12:07   ` Olaf Hering
2012-07-06 12:56     ` [Xen-devel] " Jan Beulich
     [not found]       ` <4FF6FCA9020000780008E0BB-ce6RLXgGx+vWGUEhTRrCg1aTQe2KTcn/@public.gmane.org>
2012-07-06 13:31         ` Olaf Hering
2012-07-06 13:53           ` Jan Beulich
2012-07-06 14:14           ` Olaf Hering
2012-07-06 14:50             ` Jan Beulich
2012-07-06 17:29               ` Olaf Hering
2012-07-10  9:33                 ` Olaf Hering
2012-07-10 14:14                   ` Konrad Rzeszutek Wilk
2012-07-10 14:46                     ` Ian Campbell
     [not found]                       ` <1341931594.8586.44.camel-T6UX0E5iMSquecqUINmzht73F7V6hmMc@public.gmane.org>
2012-07-10 14:51                         ` Konrad Rzeszutek Wilk
     [not found]                           ` <20120710145110.GA15218-6K5HmflnPlqSPmnEAIUT9EEOCMrvLtNR@public.gmane.org>
2012-07-10 15:29                             ` Ian Campbell
2012-07-10 15:37                               ` Olaf Hering
2012-07-10 15:23                     ` Olaf Hering
     [not found]                       ` <20120710152308.GA31819-QOLJcTWqO2uzQB+pC5nmwQ@public.gmane.org>
2012-07-10 17:26                         ` Konrad Rzeszutek Wilk
2012-07-10 18:09                           ` Olaf Hering
2012-07-10 18:32                             ` Konrad Rzeszutek Wilk
2012-07-10 19:08                             ` Keir Fraser
2012-07-13 20:20                               ` Olaf Hering
     [not found]                                 ` <20120713202003.GA20972-QOLJcTWqO2uzQB+pC5nmwQ@public.gmane.org>
2012-07-14  4:54                                   ` Keir Fraser
2012-07-15 16:06                               ` Olaf Hering
2012-07-15 17:17                                 ` Keir Fraser
2012-07-16 15:46                                 ` Konrad Rzeszutek Wilk
2012-07-17 10:24                                   ` Olaf Hering
2012-07-17 12:34                                     ` Olaf Hering [this message]
2012-07-06 15:54     ` Daniel Kiper

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